WO2018008410A1 - 活性エステル樹脂とその硬化物 - Google Patents
活性エステル樹脂とその硬化物 Download PDFInfo
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- WO2018008410A1 WO2018008410A1 PCT/JP2017/022996 JP2017022996W WO2018008410A1 WO 2018008410 A1 WO2018008410 A1 WO 2018008410A1 JP 2017022996 W JP2017022996 W JP 2017022996W WO 2018008410 A1 WO2018008410 A1 WO 2018008410A1
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- UFWIBTONFRDIAS-UHFFFAOYSA-N c1cc2ccccc2cc1 Chemical compound c1cc2ccccc2cc1 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/91—Polymers modified by chemical after-treatment
- C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/916—Dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/02—Polycondensates containing more than one epoxy group per molecule
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4223—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof aromatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4246—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof polymers with carboxylic terminal groups
- C08G59/4269—Macromolecular compounds obtained by reactions other than those involving unsaturated carbon-to-carbon bindings
- C08G59/4276—Polyesters
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/123—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/133—Hydroxy compounds containing aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/293—Organic, e.g. plastic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0326—Organic insulating material consisting of one material containing O
Definitions
- the present invention relates to an active ester resin having a low cure shrinkage and a low dielectric loss tangent in a cured product, a curable resin composition containing the same, a cured product thereof, a printed wiring board, and a semiconductor sealing material.
- Patent Document 1 As a resin material having a relatively low dielectric constant and dielectric loss tangent in a cured product, there is a technique in which an active ester resin obtained by esterifying dicyclopentadiene phenol resin and ⁇ -naphthol with phthalic acid chloride is used as a curing agent for an epoxy resin. It is known (see Patent Document 1 below).
- the active ester resin described in Patent Document 1 has a low dielectric constant and dielectric loss tangent in a cured product as compared with the case where a conventional curing agent such as a phenol novolac resin is used.
- the value of the dielectric loss tangent has been required to be further reduced. Further, there has been a demand for further reduction in curing shrinkage.
- the problem to be solved by the present invention is an active ester resin having a low cure shrinkage and a low dielectric loss tangent in a cured product, a curable resin composition containing the same, a cured product thereof, a printed wiring board, and a semiconductor It is to provide a sealing material.
- a phenolic hydroxyl group-containing compound a polynaphthol resin having a molecular structure in which a naphthol compound is knotted at an aromatic ring or a cyclo ring-containing structure site, and an aromatic polycarboxylic acid
- An active ester resin characterized by using an acid or its acid halide as an essential reaction raw material has been found to have a low cure shrinkage and an extremely low dielectric loss tangent in the cured product, thereby completing the present invention. It was.
- the present invention relates to a phenolic hydroxyl group-containing compound (A), a polynaphthol resin (B) having a molecular structure in which the naphthol compound (b) is knotted at a structural site ( ⁇ ) containing an aromatic ring or a cyclo ring, and
- the present invention relates to an active ester resin characterized by using an aromatic polycarboxylic acid or an acid halide (C) thereof as an essential reaction raw material.
- the present invention further relates to a curable resin composition containing the active ester resin and a curing agent.
- the present invention further relates to a cured product of the curable resin composition.
- the present invention further relates to a printed wiring board using the curable resin composition.
- the present invention further relates to a semiconductor sealing material using the curable resin composition.
- an active ester resin having a low cure shrinkage and a low dielectric loss tangent in a cured product, a curable resin composition containing the same, a cured product thereof, a printed wiring board, and a semiconductor sealing material are provided. be able to.
- FIG. 1 is a GPC chart of the active ester resin (1) obtained in Example 1.
- FIG. FIG. 2 is a 13C-NMR chart of the active ester resin (1) obtained in Example 1.
- FIG. 3 is an MS chart of the active ester resin (1) obtained in Example 1.
- FIG. 4 is a GPC chart of the active ester resin (2) obtained in Example 2.
- FIG. 5 is a 13C-NMR chart of the active ester resin (2) obtained in Example 2.
- 6 is an MS chart of the active ester resin (2) obtained in Example 2.
- FIG. FIG. 7 is a GPC chart of the active ester resin (3) obtained in Example 3.
- FIG. 8 is a 13C-NMR chart of the active ester resin (3) obtained in Example 3.
- FIG. 9 is an MS chart of the active ester resin (3) obtained in Example 3.
- FIG. 10 is a GPC chart of the active ester resin (4) obtained in Example 4.
- FIG. 11 is a GPC chart of the active ester resin (5) obtained in Example 5.
- the active ester resin of the present invention includes a phenolic hydroxyl group-containing compound (A), a polynaphthol resin (B) having a molecular structure in which the naphthol compound (b) is knotted at a structural site containing an aromatic ring or a cyclo ring, and an aromatic A polycarboxylic acid or an acid halide (C) thereof is an essential reaction raw material.
- the phenolic hydroxyl group-containing compound (A) may be any compound as long as it is an aromatic compound having a hydroxyl group on the aromatic ring, and other specific structures are not particularly limited.
- a phenolic hydroxyl group containing compound (A) may be used individually by 1 type, and may be used in combination of 2 or more types.
- Specific examples of the phenolic hydroxyl group-containing compound (A) include phenol, naphthol, anthracenol, and compounds having one or more substituents on these aromatic nuclei.
- Substituents on the aromatic nucleus include, for example, aliphatic carbonization such as methyl, ethyl, vinyl, propyl, butyl, pentyl, hexyl, cyclohexyl, heptyl, octyl, and nonyl groups.
- a naphthol compound is preferable because it has a low cure shrinkage and a low dielectric loss tangent in a cured product, and 1-naphthol or 2-naphthol is particularly preferable.
- the naphthol compound (b) may be any compound as long as it is a compound having one phenolic hydroxyl group on the naphthalene ring.
- the presence or absence is not particularly limited.
- a naphthol compound (b) may be used individually by 1 type, and may be used in combination of 2 or more types.
- Specific examples of the naphthol compound (b) include 1-naphthol, 2-naphthol, and compounds having one or more substituents on the aromatic nucleus.
- Substituents on the aromatic nucleus include, for example, aliphatic carbonization such as methyl, ethyl, vinyl, propyl, butyl, pentyl, hexyl, cyclohexyl, heptyl, octyl, and nonyl groups.
- 1-naphthol or 2-naphthol is preferred because it becomes an active ester resin having a low cure shrinkage and a low dielectric loss tangent in the cured product.
- the polynaphthol resin (B) having a molecular structure in which the naphthol compound (b) is knotted at a structural site containing an aromatic ring or a cyclo ring is represented by, for example, the following structural formula (1)
- R 1 is independently an aliphatic hydrocarbon group, an alkoxy group, a halogen atom, an aryl group, an aralkyl group, or the following structural formula (2)
- X is a structural moiety containing an aromatic nucleus or a cyclo ring.
- R 1 is independently an aliphatic hydrocarbon group, an alkoxy group, a halogen atom, an aryl group, an aralkyl group, or a structural formula (2)).
- And may be bonded to any carbon atom forming a naphthalene ring.
- m is 0 or an integer of 1 to 4, and n is an integer of 1 to 10.
- the thing which has the molecular structure represented by these is mentioned.
- the structural site ( ⁇ ) containing an aromatic nucleus or a cyclo ring represented by X is, for example, the following structural formulas (X-1) to (X-5)
- R 2 is each independently an aliphatic hydrocarbon group, an alkoxy group, a halogen atom, an aryl group, or an aralkyl group, and i is an integer of 0 or 1 to 4)
- R 3 is a hydrogen atom or a methyl group, Y is an alkylene group having 1 to 4 carbon atoms, an oxygen atom, a sulfur atom, or a carbonyl group, and j is an integer of 1 to 4.
- part represented by either of these is mentioned.
- R 2 in the structural formulas (X-1) to (X-5) is independently any one of an aliphatic hydrocarbon group, an alkoxy group, a halogen atom, an aryl group, and an aralkyl group.
- Aliphatic hydrocarbon groups such as methyl group, ethyl group, vinyl group, propyl group, butyl group, pentyl group, hexyl group, cyclohexyl group, heptyl group, octyl group, nonyl group; methoxy group, ethoxy group, An alkoxy group such as a propyloxy group and a butoxy group; a halogen atom such as a fluorine atom, a chlorine atom and a bromine atom; a phenyl group, a naphthyl group, an anthryl group, and the aliphatic hydrocarbon group and alkoxy group on the aromatic nucleus; Aryl groups substituted by halogen atoms,
- R 1 in the structural formulas (1) and (2) is independently an aliphatic hydrocarbon group, an alkoxy group, an aryl group, an aralkyl group, a halogen atom, or a structural site represented by the structural formula (2).
- ( ⁇ ) is any of the coupling points linked via X.
- the aliphatic hydrocarbon group, alkoxy group, halogen atom, aryl group, and aralkyl group are the same as those exemplified as the substituent on the aromatic nucleus on the naphthol compound (b).
- the polynaphthol resin (B) can be produced by any method as long as the naphthol compound (b) has a molecular structure knotted at a structural site ( ⁇ ) containing an aromatic ring or a cyclo ring. good.
- Examples of the polynaphthol resin (B) include, for example, the naphthol compound (b) and the following structural formulas (x-1) to (x-5):
- h is 0 or 1.
- R 2 is each independently an aliphatic hydrocarbon group, an alkoxy group, a halogen atom, an aryl group, or an aralkyl group, and i is 0 or an integer of 1 to 4.
- Z is any one of a vinyl group, a halomethyl group, a hydroxymethyl group, and an alkyloxymethyl group.
- Y is any one of an alkylene group having 1 to 4 carbon atoms, an oxygen atom, a sulfur atom, and a carbonyl group.
- j is an integer of 1 to 4.
- R 2 in the structural formulas (x-1) to (x-5) is each independently an aliphatic hydrocarbon group, an alkoxy group, a halogen atom, an aryl group, or an aralkyl group, It is synonymous with R 2 in Structural Formulas (X-1) to (X-5).
- Z in the structural formulas (x-1) to (x-5) is not particularly limited as long as it is a functional group capable of forming a bond with the aromatic ring of the naphthol compound (b). , A halomethyl group, a hydroxymethyl group, and an alkyloxymethyl group.
- the polynaphthol resin (B) may further contain other compounds as reaction raw materials.
- the other compound is, for example, a compound (x ′) that is a compound other than the compound (x), such as formaldehyde or an aliphatic aldehyde, and can knot the naphthol compound (b), or the structural formula (1) or ( 2) R 1 or the structural formulas (X-1) ⁇ (X -5) aliphatic hydrocarbon group as R 2 in an alkoxy group, a halogen atom, an aryl group, the substituents to introduce an aralkyl group An introduction agent (y) etc. are mentioned.
- the compound (x ′) when used, since the effect of the present invention that the curing shrinkage rate is low and the dielectric loss tangent in the cured product is sufficiently exhibited, the compound (x) and the compound ( It is preferable that the said compound (x) will be 80 mass% or more with respect to the sum total with x '), and it is preferable that it will be 95 mass% or more.
- substituent introducing agent (y) examples include aralkyl group introducing agents such as phenylmethanol compounds, phenylmethyl halide compounds, naphthylmethanol compounds, naphthylmethyl halide compounds, and styrene compounds.
- the reaction of the naphthol compound (b) and the compound (x) is performed using, for example, 2 to 10 moles of the naphthol compound (b) with respect to 1 mole of the compound (x) under the conditions of acid catalyst. It can be carried out by heating and stirring under a temperature condition of about 80 to 180 ° C. You may perform reaction in an organic solvent as needed. After completion of the reaction, an excessive amount of the naphthol compound (b) may be distilled off as desired. Moreover, you may use the unreacted naphthol compound in reaction mixture as a phenolic hydroxyl-containing compound (A) as it is.
- the acid catalyst examples include p-toluenesulfonic acid, dimethyl sulfate, diethyl sulfate, sulfuric acid, hydrochloric acid, and oxalic acid. These may be used alone or in combination of two or more.
- the addition amount of the acid catalyst is preferably in the range of 0.01 to 10% by mass with respect to the naphthol compound (b).
- organic solvent examples include ketone solvents such as acetone, methyl ethyl ketone, and cyclohexanone; acetate solvents such as ethyl acetate, butyl acetate, cellosolve acetate, propylene glycol monomethyl ether acetate, and carbitol acetate; and carbitols such as cellosolve and butyl carbitol.
- ketone solvents such as acetone, methyl ethyl ketone, and cyclohexanone
- acetate solvents such as ethyl acetate, butyl acetate, cellosolve acetate, propylene glycol monomethyl ether acetate, and carbitol acetate
- carbitols such as cellosolve and butyl carbitol.
- solvents aromatic hydrocarbon solvents such as toluene and xylene, dimethylformamide, dimethylacetamide, and N-methyl
- the specific structure of the polynaphthol resin (B) for example, naphthol is used as the naphthol compound (b), divinylbenzene is used as the compound (x) [two Z in the structural formula (x-2) are vinyl
- a structural example in the case of using a compound in which i is 0 is shown in the following structural formula (B-1).
- the following structural formula (B-1) is merely an example of a specific structure of the polynaphthol resin (B), and other resin structures that may be generated by the reaction of the naphthol compound (b) and the compound (x) are excluded. Not what you want.
- n is an integer of 1 to 10.
- R is independently a hydrogen atom or a structural moiety represented by the following structural formula (R-1). ]
- the hydroxyl equivalent of the polynaphthol resin (B) is preferably in the range of 150 to 300 g / equivalent because it is an active ester resin that has high solvent solubility and can be easily used in various applications.
- the aromatic polycarboxylic acid or its acid halide (C) is an aromatic that can react with the phenolic hydroxyl group of the phenolic hydroxyl group-containing compound (A) and the polynaphthol resin (B) to form an ester bond. If it is a compound, a specific structure will not be specifically limited, Any compound may be sufficient. Specific examples include benzenedicarboxylic acids such as isophthalic acid and terephthalic acid, benzenetricarboxylic acids such as trimellitic acid, naphthalene-1,4-dicarboxylic acid, naphthalene-2,3-dicarboxylic acid, and naphthalene-2,6.
- -Naphthalene dicarboxylic acids such as dicarboxylic acids and naphthalene-2,7-dicarboxylic acids, acid halides thereof, and compounds in which the aliphatic hydrocarbon group, alkoxy group, halogen atom, etc. are substituted on the aromatic nucleus, etc.
- the acid halide include acid chloride, acid bromide, acid fluoride, and acid iodide. These may be used alone or in combination of two or more.
- benzenedicarboxylic acids such as isophthalic acid and terephthalic acid or acid halides thereof are preferable because they are active ester resins having high reaction activity and excellent curability.
- the reaction of the phenolic hydroxyl group-containing compound (A), the polynaphthol resin (B), and the aromatic polycarboxylic acid or acid halide (C) thereof is, for example, about 40 to 65 ° C. in the presence of an alkali catalyst. It can carry out by the method of heating and stirring under the temperature conditions. You may perform reaction in an organic solvent as needed. Further, after completion of the reaction, the reaction product may be purified by washing, reprecipitation or the like, if desired.
- alkali catalyst examples include sodium hydroxide, potassium hydroxide, triethylamine, pyridine and the like. These may be used alone or in combination of two or more. Further, it may be used as an aqueous solution of about 3.0 to 30%. Among these, sodium hydroxide or potassium hydroxide having high catalytic ability is preferable.
- organic solvent examples include ketone solvents such as acetone, methyl ethyl ketone, and cyclohexanone; acetate solvents such as ethyl acetate, butyl acetate, cellosolve acetate, propylene glycol monomethyl ether acetate, and carbitol acetate; and carbitols such as cellosolve and butyl carbitol.
- ketone solvents such as acetone, methyl ethyl ketone, and cyclohexanone
- acetate solvents such as ethyl acetate, butyl acetate, cellosolve acetate, propylene glycol monomethyl ether acetate, and carbitol acetate
- carbitols such as cellosolve and butyl carbitol.
- solvents aromatic hydrocarbon solvents such as toluene and xylene, dimethylformamide, dimethylacetamide, and N-methyl
- reaction ratio of the phenolic hydroxyl group-containing compound (A), the polynaphthol resin (B), and the aromatic polycarboxylic acid or its acid halide (C) may be appropriately changed according to the desired molecular design. it can.
- the number of moles of hydroxyl group (A OH ) of the phenolic hydroxyl group-containing compound (A) and the polynaphthol resin (B) is preferably 10/90 to 75/25, and preferably 25/75 to 50/50 A ratio is more preferable.
- the active ester resin of the present invention may contain an ester compound (AC) of the phenolic hydroxyl group-containing compound (A) and the aromatic polycarboxylic acid or its acid halide (C).
- the ester compound (AC) adjusts the reaction ratio of the phenolic hydroxyl group-containing compound (A), the polynaphthol resin (B), and the aromatic polycarboxylic acid or acid halide (C) thereof.
- ester compound (AC) for example, a naphthol compound is used as the phenolic hydroxyl group-containing compound (A), and benzenedicarboxylic acid or an acid halide (C) thereof is used as the aromatic polycarboxylic acid or acid halide (C) thereof.
- a structural example in the case of using an acid halide is shown in the following structural formula (3).
- the following structural formula (3) is merely an example of the specific structure of the ester compound (AC), and does not exclude other diester compounds having a molecular structure.
- each R 4 is independently an aliphatic hydrocarbon group, an alkoxy group, a halogen atom, an aryl group, or an aralkyl group, and may be bonded to any carbon atom forming a naphthalene ring. Is 0 or an integer from 1 to 3.
- the active ester resin contains the ester compound (AC)
- the content is less than 40% of the active ester resin because the active ester resin has a low cure shrinkage and excellent curability. Is preferable, and the range of 1 to 30% is particularly preferable.
- the content of the ester compound (AC) in the active ester resin is a value calculated from the area ratio of the GPC chart measured under the following conditions.
- Measuring device “HLC-8320 GPC” manufactured by Tosoh Corporation Column: Guard column “HXL-L” manufactured by Tosoh Corporation + “TSK-GEL G4000HXL” manufactured by Tosoh Corporation + Tosoh Corporation “TSK-GEL G3000HXL” + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation Detector: RI (differential refractometer) Data processing: “GPC workstation EcoSEC-WorkStation” manufactured by Tosoh Corporation Measurement conditions: Column temperature 40 ° C Developing solvent Tetrahydrofuran Flow rate 1.0 ml / min Standard: The following monodisperse polystyrene having a known molecular weight was used according to the measurement manual of “GPC-8320”.
- the weight average molecular weight (Mw) of the active ester resin of the present invention is preferably in the range of 600 to 5,000, particularly preferably in the range of 800 to 3,000, from the viewpoint of becoming an active ester resin having a low cure shrinkage rate.
- the weight average molecular weight (Mw) of active ester resin is a value measured by GPC of the same conditions as the time of calculating
- the softening point of the active ester resin of the present invention is preferably in the range of 100 to 180 ° C., more preferably in the range of 120 to 170 ° C. as measured according to JIS K7234.
- the functional group equivalent of the active ester resin of the present invention is preferably in the range of 210 to 360 g / equivalent, since it becomes an active ester resin having a low cure shrinkage and excellent curability, and is preferably 220 to 300 g / equivalent. An equivalent range is particularly preferable.
- the functional group in the active ester resin means an ester bond site and a phenolic hydroxyl group in the active ester resin.
- the functional group equivalent of the active ester resin is a value calculated from the charged amount of the reaction raw material.
- the curable resin composition of the present invention contains the aforementioned active ester resin and a curing agent.
- the curing agent may be a compound that can react with the active ester resin of the present invention, and various compounds can be used without any particular limitation.
- An example of the curing agent is an epoxy resin.
- epoxy resin examples include phenol novolac type epoxy resin, cresol novolac type epoxy resin, naphthol novolac type epoxy resin, bisphenol novolac type epoxy resin, biphenol novolac type epoxy resin, bisphenol type epoxy resin, biphenyl type epoxy resin, and triphenolmethane.
- Type epoxy resin tetraphenolethane type epoxy resin, dicyclopentadiene-phenol addition reaction type epoxy resin, phenol aralkyl type epoxy resin, naphthol aralkyl type epoxy resin and the like.
- epoxy resin curing agents used herein include, for example, diaminodiphenylmethane, diethylenetriamine, triethylenetetramine, diaminodiphenylsulfone, isophoronediamine, imidazole, BF 3 -amine complexes, guanidine derivatives and other amine compounds; dicyandiamide, linolene Amide compounds such as polyamide resin synthesized from dimer of acid and ethylenediamine; phthalic anhydride, trimellitic anhydride, pyromellitic anhydride, maleic anhydride, tetrahydrophthalic anhydride, methyltetrahydrophthalic anhydride, methyl anhydride Acid anhydrides such as nadic acid, hexahydrophthalic anhydride, methylhexahydrophthalic anhydride; phenol
- the active ester resin, the epoxy resin, and the curing agent composition for other epoxy resins of the present invention are blended in a proportion of 1 mol in total for the epoxy groups in the epoxy resin.
- the ratio is preferably such that the total of functional groups in the agent is 0.7 to 1.5 mol.
- the curable resin composition of the present invention includes cyanate ester resins, bismaleimide resins, benzoxazine resins, styrene-maleic anhydride resins, allyl group-containing resins represented by diallyl bisphenol and triallyl isocyanurate, polyphosphorus An acid ester or a phosphate ester-carbonate copolymer may be contained. These may be used alone or in combination of two or more.
- the curable resin composition of the present invention may contain various additives such as a curing accelerator, a flame retardant, an inorganic filler, a silane coupling agent, a release agent, a pigment, and an emulsifier, if necessary.
- the curing accelerator examples include phosphorus compounds, tertiary amines, imidazole compounds, pyridine compounds, organic acid metal salts, Lewis acids, amine complex salts, and the like.
- triphenylphosphine is used for phosphorus compounds
- 1,8-diazabicyclo- [5.4.0] -undecene (DBU is used for tertiary amines because of its excellent curability, heat resistance, electrical properties, moisture resistance reliability, and the like.
- 2-ethyl-4-methylimidazole is preferred for imidazole compounds
- 4-dimethylaminopyridine is preferred for pyridine compounds.
- the flame retardant is, for example, red phosphorus, monoammonium phosphate, diammonium phosphate, triammonium phosphate, ammonium phosphate such as ammonium polyphosphate, inorganic phosphorus compounds such as phosphate amide; phosphate ester compound, phosphonic acid Compound, phosphinic acid compound, phosphine oxide compound, phosphorane compound, organic nitrogen-containing phosphorus compound, 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 10- (2,5-dihydrooxyphenyl) ) Cyclic organic phosphorus such as -10H-9-oxa-10-phosphaphenanthrene-10-oxide, 10- (2,7-dihydrooxynaphthyl) -10H-9-oxa-10-phosphaphenanthrene-10-oxide Compound and its compound such as epoxy resin and phenol resin Organophosphorus compounds such as derivatives reacted with nitrogen; nitrogen
- the inorganic filler is blended, for example, when the curable resin composition of the present invention is used for semiconductor sealing materials.
- the inorganic filler include fused silica, crystalline silica, alumina, silicon nitride, and aluminum hydroxide.
- the said fused silica is preferable.
- the fused silica can be used in either crushed or spherical shape, but in order to increase the blending amount of the fused silica and to suppress an increase in the melt viscosity of the curable composition, a spherical one is mainly used. It is preferable.
- the filling rate is preferably in the range of 0.5 to 95 parts by mass in 100 parts by mass of the curable resin composition.
- a conductive filler such as silver powder or copper powder can be used.
- the active ester resin of the present invention has excellent performance such as low cure shrinkage and low dielectric loss tangent in the cured product.
- the general required performance required for resin materials such as solubility in general-purpose organic solvents and curability with epoxy resins, is sufficiently high, such as printed wiring boards, semiconductor encapsulation materials, resist materials, etc.
- it can be widely used for applications such as paints, adhesives and molded products.
- the curable resin composition of the present invention When the curable resin composition of the present invention is used for printed wiring board applications or build-up adhesive film applications, it is generally preferable to mix and dilute with an organic solvent.
- the organic solvent include methyl ethyl ketone, acetone, dimethylformamide, methyl isobutyl ketone, methoxypropanol, cyclohexanone, methyl cellosolve, ethyl diglycol acetate, propylene glycol monomethyl ether acetate and the like.
- the type and blending amount of the organic solvent can be adjusted as appropriate according to the use environment of the curable resin composition.
- methyl ethyl ketone, acetone, dimethylformamide and the like are polar solvents having a boiling point of 160 ° C. or lower.
- the non-volatile content is preferably 40 to 80% by mass.
- ketone solvents such as acetone, methyl ethyl ketone, cyclohexanone, etc.
- acetate solvents such as ethyl acetate, butyl acetate, cellosolve acetate, propylene glycol monomethyl ether acetate, carbitol acetate, carbitols such as cellosolve, butyl carbitol, etc.
- a solvent an aromatic hydrocarbon solvent such as toluene and xylene, dimethylformamide, dimethylacetamide, N-methylpyrrolidone, and the like, and it is preferable to use them in a proportion that the nonvolatile content is 30 to 60% by mass.
- the method of manufacturing a printed wiring board using the curable resin composition of the present invention includes, for example, impregnating a curable composition into a reinforcing base material and curing it to obtain a prepreg, and stacking this with a copper foil.
- the method of carrying out thermocompression bonding is mentioned.
- the reinforcing substrate include paper, glass cloth, glass nonwoven fabric, aramid paper, aramid cloth, glass mat, and glass roving cloth.
- the amount of impregnation of the curable resin composition is not particularly limited, but it is usually preferable to prepare so that the resin content in the prepreg is 20 to 60% by mass.
- the curable resin composition of the present invention when used for a semiconductor sealing material, it is preferable to blend an inorganic filler.
- the semiconductor sealing material can be prepared by mixing the compound using, for example, an extruder, a kneader, a roll, or the like.
- a method for molding a semiconductor package using the obtained semiconductor sealing material includes, for example, molding the semiconductor sealing material using a casting or transfer molding machine, injection molding machine, etc., and further a temperature of 50 to 200 ° C. Examples of the method include heating for 2 to 10 hours under conditions, and by such a method, a semiconductor device which is a molded product can be obtained.
- GPC measurement conditions Measuring device: “HLC-8320 GPC” manufactured by Tosoh Corporation Column: Guard column “HXL-L” manufactured by Tosoh Corporation + “TSK-GEL G4000HXL” manufactured by Tosoh Corporation + Tosoh Corporation “TSK-GEL G3000HXL” + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation + “TSK-GEL G2000HXL” manufactured by Tosoh Corporation Detector: RI (differential refractometer) Data processing: “GPC workstation EcoSEC-WorkStation” manufactured by Tosoh Corporation Measurement conditions: Column temperature 40 ° C Developing solvent Tetrahydrofuran Flow rate 1.0 ml / min Standard: The following monodisperse polystyrene having a known molecular weight was used according to the measurement manual of “GPC-8320”.
- 13C-NMR measurement condition apparatus ECA-500 manufactured by JEOL Ltd. Measurement mode: SINGLE-PULSE-DEC (1H complete decoupling method for NOE elimination) Solvent: Deuterated chloroform pulse angle: 30 ° Pulse sample concentration: 30 wt% Integration count: 4000 times
- Measurement condition equipment for MALDI-TOF-MS Shimazu / AXIMA-TOF2 manufactured by KRSTOS Ionization method: Matrix-assisted laser desorption ionization method
- Example 1 Production of Active Ester Resin (1)
- a flask equipped with a thermometer, dropping funnel, condenser, fractionator, and stirrer 433 parts by mass of 1-naphthol, 108 parts by mass of toluene, 99 parts by mass of dicyclopentadiene
- 27 parts by mass of paratoluenesulfonic acid monohydrate was charged. While stirring the contents of the flask, the temperature was raised to 130 ° C., and the reaction was carried out by stirring at 130 ° C. for 2 hours.
- the mixture was neutralized by adding 12 parts by mass of a 49% aqueous sodium hydroxide solution, added with 200 parts by mass of toluene, and washed three times with 100 parts by mass of water. Toluene and the like were distilled off under heating and reduced pressure conditions to obtain 522 parts by mass of a mixture (1) containing unreacted 1-naphthol and polynaphthol resin (B-1).
- the obtained mixture (1) had a hydroxyl group equivalent of 234 g / equivalent.
- a flask equipped with a thermometer, a dropping funnel, a condenser tube, a fractionating tube, and a stirrer was charged with 141 parts by mass of isophthalic acid chloride and 1000 parts by mass of toluene, and dissolved in the system while substituting with nitrogen under reduced pressure.
- 328 parts by mass of the mixture (1) obtained above was charged, and the system was dissolved while substituting with nitrogen under reduced pressure.
- the inside of the reaction system was controlled to 60 ° C. or less, and 280 parts by mass of a 20% aqueous sodium hydroxide solution was added dropwise over 3 hours.
- the reaction was continued for 1 hour with stirring. After completion of the reaction, the reaction mixture was allowed to stand for liquid separation, and the aqueous layer was removed. After adding water to the remaining organic layer and stirring and mixing for about 15 minutes, the mixture was allowed to stand and liquid-separated, and the aqueous layer was removed. This operation was repeated until the pH of the aqueous layer reached 7, and then toluene and the like were distilled off under heating and reduced pressure conditions to obtain 397 parts by mass of an active ester resin (1).
- the functional group equivalent of the active ester resin (1) was 299 g / equivalent, and the softening point measured based on JIS K7234 was 151 ° C.
- the GPC chart of the obtained active ester resin (1) is shown in FIG. 1, the 13C-NMR is shown in FIG. 2, and the MS is shown in FIG.
- the weight average molecular weight (Mw) of the active ester resin (1) was 1,547. Further, the content of isophthalic acid dinaphthol ester in the active ester resin (1) calculated from the area ratio of the GPC chart was 20.2%.
- Example 2 Production of Active Ester Resin (2)
- a flask equipped with a thermometer, dropping funnel, condenser, fractionator, and stirrer 404 parts by mass of 1-naphthol, 500 parts by mass of toluene, 96 parts by mass of paraxylene glycol 6 parts by mass of paratoluenesulfonic acid monohydrate was charged. While stirring the contents of the flask, the temperature was raised to 120 ° C., and the reaction was carried out by stirring at 120 ° C. for 1 hour.
- a flask equipped with a thermometer, a dropping funnel, a condenser tube, a fractionating tube, and a stirrer was charged with 141 parts by mass of isophthalic acid chloride and 1000 parts by mass of toluene, and dissolved in the system while substituting with nitrogen under reduced pressure.
- 237 parts by mass of the mixture (2) obtained above was charged, and the system was dissolved while substituting with nitrogen under reduced pressure.
- the inside of the reaction system was controlled to 60 ° C. or lower, and 280 parts by mass of a 20% aqueous sodium hydroxide solution was added dropwise over 3 hours.
- FIG. 4 shows a GPC chart of the obtained active ester resin (2)
- FIG. 5 shows a 13C-NMR
- FIG. 6 shows an MS.
- the weight average molecular weight (Mw) of the active ester resin (2) was 1,650. Further, the content of dinaphthol ester of isophthalic acid in the active ester resin (2) calculated from the area ratio of the GPC chart was 27.5%.
- Example 3 Production of Active Ester Resin (3)
- a flask equipped with a thermometer, dropping funnel, condenser, fractionator, and stirrer 404 parts by mass of 1-naphthol, 560 parts by mass of toluene, 150 parts by mass of bishydroxymethylbiphenyl Part, 6 parts by mass of paratoluenesulfonic acid monohydrate were charged. While stirring the contents of the flask, the temperature was raised to 120 ° C., and the mixture was stirred at 120 ° C. for 1 hour for reaction.
- a flask equipped with a thermometer, a dropping funnel, a condenser tube, a fractionating tube, and a stirrer was charged with 141 parts by mass of isophthalic acid chloride and 1000 parts by mass of toluene, and dissolved in the system while substituting with nitrogen under reduced pressure.
- 264 parts by mass of the mixture (3) obtained above was charged, and the system was dissolved while substituting with nitrogen under reduced pressure.
- the inside of the reaction system was controlled to 60 ° C. or lower, and 280 parts by mass of a 20% aqueous sodium hydroxide solution was added dropwise over 3 hours.
- the reaction was continued for 1 hour with stirring. After completion of the reaction, the reaction mixture was allowed to stand for liquid separation, and the aqueous layer was removed. After adding water to the remaining organic layer and stirring and mixing for about 15 minutes, the mixture was allowed to stand and liquid-separated, and the aqueous layer was removed. This operation was repeated until the pH of the aqueous layer became 7, and then toluene and the like were distilled off under heating and reduced pressure conditions to obtain 340 parts by mass of an active ester resin (3).
- the functional group equivalent of the active ester resin (3) was 253 g / equivalent, and the softening point measured based on JIS K7234 was 144 ° C.
- the GPC chart of the resulting active ester resin (3) is shown in FIG. 7, the 13C-NMR is shown in FIG. 8, and the MS is shown in FIG.
- the weight average molecular weight (Mw) of the active ester resin (3) was 2,046. Further, the content of isophthalic acid dinaphthol ester in the active ester resin (3) calculated from the area ratio of the GPC chart was 24.1%.
- Example 4 Production of Active Ester Resin (4)
- 460 parts by mass of 1-naphthol 200 parts by mass of toluene, divinylbenzene (Nippon Steel & Sumikin Chemical) “DVB-810” divinylbenzene purity 81%) 156 parts by mass and 1 part by mass of paratoluenesulfonic acid monohydrate were charged.
- the temperature was raised to 120 ° C., and the mixture was stirred at 120 ° C. for 1 hour for reaction.
- a flask equipped with a thermometer, a dropping funnel, a condenser tube, a fractionating tube, and a stirrer was charged with 162 parts by mass of isophthalic acid chloride and 1000 parts by mass of toluene, and dissolved in the system while substituting with nitrogen under reduced pressure.
- 308 parts by mass of the previously obtained mixture (4) was charged, and the system was dissolved while substituting with nitrogen under reduced pressure.
- the inside of the reaction system was controlled to 60 ° C. or less, and 320 parts by mass of a 20% aqueous sodium hydroxide solution was added dropwise over 3 hours.
- the reaction was continued for 1 hour with stirring. After completion of the reaction, the reaction mixture was allowed to stand for liquid separation, and the aqueous layer was removed. After adding water to the remaining organic layer and stirring and mixing for about 15 minutes, the mixture was allowed to stand and liquid-separated, and the aqueous layer was removed. This operation was repeated until the pH of the aqueous layer reached 7, and then toluene and the like were distilled off under heating and reduced pressure conditions to obtain 395 parts by mass of an active ester resin (4).
- the functional group equivalent of the active ester resin (4) was 257 g / equivalent, and the softening point measured based on JIS K7234 was 160 ° C.
- a GPC chart of the obtained active ester resin (4) is shown in FIG.
- the weight average molecular weight (Mw) of the active ester resin (4) was 1,965. Further, the content of isophthalic acid dinaphthol ester in the active ester resin (4) calculated from the area ratio of the GPC chart was 18.6%.
- Example 5 Production of Active Ester Resin (5)
- a flask equipped with a thermometer, dropping funnel, condenser, fractionator, and stirrer 404 parts by mass of 1-naphthol, 480 parts by mass of toluene, 74 parts by mass of benzaldehyde, para Toluenesulfonic acid monohydrate (2 parts by mass) was charged. While stirring the contents of the flask, the temperature was raised to 60 ° C., and the mixture was stirred at 60 ° C. for 1 hour for reaction.
- reaction mixture was neutralized by adding 2 parts by mass of a 49% aqueous sodium hydroxide solution, and then 400 parts by mass of toluene was added, followed by washing with 200 parts by mass of water three times. Toluene and the like were distilled off under heating and reduced pressure to obtain 420 parts by mass of a mixture (5) containing unreacted 1-naphthol and polynaphthol resin (B-5). The obtained mixture (5) had a hydroxyl equivalent of 166 g / equivalent.
- a flask equipped with a thermometer, a dropping funnel, a condenser tube, a fractionating tube, and a stirrer was charged with 141 parts by mass of isophthalic acid chloride and 1000 parts by mass of toluene, and dissolved in the system while substituting with nitrogen under reduced pressure.
- 263 parts by mass of the mixture (5) obtained above was charged, and the system was dissolved while substituting with nitrogen under reduced pressure.
- the inside of the reaction system was controlled to 60 ° C. or lower, and 280 parts by mass of a 20% aqueous sodium hydroxide solution was added dropwise over 3 hours.
- FIG. 11 shows a GPC chart of the obtained active ester resin (5).
- the weight average molecular weight (Mw) of the active ester resin (5) was 1,024.
- the content of isophthalic acid dinaphthol ester in the active ester resin (5) calculated from the area ratio of the GPC chart was 26.0%.
- Curing shrinkage rate (%) ⁇ (internal dimension at 154 ° C. of mold) ⁇ (longitudinal dimension of test piece at room temperature) ⁇ / (internal dimension of mold at 154 ° C.) ⁇ 100 (%)
- test piece was prepared in the same manner as the measurement of curing shrinkage. After heating and vacuum drying, the dielectric loss tangent at 1 GHz was measured by a cavity resonance method using a network analyzer “E8362C” manufactured by Agilent Technologies, for a test piece stored in a room at 23 ° C. and 50% humidity for 24 hours. .
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Abstract
Description
本発明の活性エステル樹脂はフェノール性水酸基含有化合物(A)、ナフトール化合物(b)が芳香環又はシクロ環を含有する構造部位で結節された分子構造を有するポリナフトール樹脂(B)、及び芳香族ポリカルボン酸又はその酸ハロゲン化物(C)を必須の反応原料とすることを特徴とする。
で表される構造部位(β)の何れかであり、ナフタレン環を形成するどの炭素原子に結合していても良い。mは0又は1~4の整数であり、nは1~10の整数である。]
で表される分子構造を有するものが挙げられる。
の何れかで表される構造部位等が挙げられる。
の何れかで表される化合物(x)とを必須の反応原料とする反応物が挙げられる。
カラム:東ソー株式会社製ガードカラム「HXL-L」
+東ソー株式会社製「TSK-GEL G4000HXL」
+東ソー株式会社製「TSK-GEL G3000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPCワークステーション EcoSEC-WorkStation」
測定条件: カラム温度 40℃
展開溶媒 テトラヒドロフラン
流速 1.0ml/分
標準 : 前記「GPC-8320」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
(使用ポリスチレン)
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
試料 : 樹脂固形分換算で1.0質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(50μl)
測定装置 :東ソー株式会社製「HLC-8320 GPC」、
カラム:東ソー株式会社製ガードカラム「HXL-L」
+東ソー株式会社製「TSK-GEL G4000HXL」
+東ソー株式会社製「TSK-GEL G3000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPCワークステーション EcoSEC-WorkStation」
測定条件: カラム温度 40℃
展開溶媒 テトラヒドロフラン
流速 1.0ml/分
標準 : 前記「GPC-8320」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
(使用ポリスチレン)
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
試料 : 樹脂固形分換算で1.0質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(50μl)
装置:日本電子(株)製 ECA-500
測定モード:SINGLE-PULSE-DEC(NOE消去の1H完全デカップリング法)
溶媒 :重クロロホルム
パルス角度:30°パルス
試料濃度 :30wt%
積算回数 :4000回
装置:島津/KRSTOS社製 AXIMA-TOF2
イオン化法:マトリックス支援レーザー脱離イオン化法
温度計、滴下ロート、冷却管、分留管、撹拌器を取り付けたフラスコに、1-ナフトール433質量部、トルエン108質量部、ジシクロペンタジエン99質量部、パラトルエンスルホン酸1水和物27質量部を仕込んだ。フラスコの内容物を撹拌しながら130℃まで昇温し、130℃で2時間撹拌して反応させた。反応終了後、49%水酸化ナトリウム水溶液12質量部を添加して中和し、トルエン200質量部加え、水100質量部で3回洗浄した。加熱減圧条件下でトルエン等を留去し、未反応の1-ナフトールとポリナフトール樹脂(B-1)とを含む混合物(1)522質量部を得た。得られた混合物(1)の水酸基当量は234g/当量であった。
温度計、滴下ロート、冷却管、分留管、撹拌器を取り付けたフラスコに、1-ナフトール404質量部、トルエン500質量部、パラキシレングリコール96質量部、パラトルエンスルホン酸1水和物6質量部を仕込んだ。フラスコの内容物を撹拌しながら120℃まで昇温し、120℃で1時間撹拌して反応させた。反応終了後、49%水酸化ナトリウム水溶液4質量部を添加して中和した後、トルエン400質量部加え、水200質量部で3回洗浄した。加熱減圧条件下でトルエン等を留去し、未反応の1-ナフトールとポリナフトール樹脂(B-2)とを含む混合物(2)448質量部を得た。得られた混合物(2)の水酸基当量は170g/当量であった。
温度計、滴下ロート、冷却管、分留管、撹拌器を取り付けたフラスコに、1-ナフトール404質量部、トルエン560質量部、ビスヒドロキシメチルビフェニル150質量部、パラトルエンスルホン酸1水和物6質量部を仕込んだ。フラスコの内容物を撹拌しながら120℃まで昇温し、120℃で1時間撹拌して反応させた。反応終了後、49%水酸化ナトリウム水溶液4質量部を添加して中和した後、トルエン400質量部加え、水200質量部で3回洗浄した。加熱減圧条件下でトルエン等を留去し、未反応の1-ナフトールとポリナフトール樹脂(B-3)とを含む混合物(3)510質量部得た。得られた混合物(3)の水酸基当量は189g/当量であった。
温度計、滴下ロート、冷却管、分留管、撹拌器を取り付けたフラスコに、1-ナフトール460質量部、トルエン200質量部、ジビニルベンゼン(新日鉄住金化学社製「DVB-810」ジビニルベンゼン純度81%)156質量部、パラトルエンスルホン酸1水和物1質量部を仕込んだ。フラスコの内容物を撹拌しながら120℃まで昇温し、120℃で1時間撹拌して反応させた。反応終了後、49%水酸化ナトリウム水溶液4質量部を添加して中和した後、トルエン400質量部加え、水200質量部で3回洗浄した。加熱減圧条件下でトルエン等を留去し、未反応の1-ナフトールとポリナフトール樹脂(B-4)とを含む混合物(4)605質量部得た。得られた混合物(4)の水酸基当量は193g/当量であった。
温度計、滴下ロート、冷却管、分留管、撹拌器を取り付けたフラスコに、1-ナフトール404質量部、トルエン480質量部、ベンズアルデヒド74質量部、パラトルエンスルホン酸1水和物2質量部を仕込んだ。フラスコの内容物を撹拌しながら60℃まで昇温し、60℃で1時間撹拌して反応させた。反応終了後、49%水酸化ナトリウム水溶液2質量部を添加して中和した後、トルエン400質量部加え、水200質量部で3回洗浄した。加熱減圧条件下でトルエン等を留去し、未反応の1-ナフトールとポリナフトール樹脂(B-5)とを含む混合物(5)420質量部得た。得られた混合物(5)の水酸基当量は166g/当量であった。
温度計、滴下ロート、冷却管、分留管、撹拌器を取り付けたフラスコに、ジシクロペンタジエンとフェノールとの付加反応物(水酸基当量165g/当量、軟化点85℃)165質量部、1-ナフトール72質量部、及びトルエン630質量部を仕込み、系内を減圧窒素置換しながら溶解させた。次いで、イソフタル酸クロライド152質量部を仕込み、系内を減圧窒素置換しながら溶解させた。窒素ガスパージを施しながら、系内を60℃以下に制御して、20%水酸化ナトリウム水溶液210gを3時間かけて滴下した。滴下終了後、そのまま1時間撹拌を続けて反応させた。反応終了後、反応混合物を静置して分液し、水層を取り除いた。残った有機層に水を加えて約15分間撹拌混合した後、混合物を静置して分液し、水層を取り除いた。水層のpHが7になるまでこの操作を繰り返した後、加熱減圧条件下でトルエン等を留去し、活性エステル樹脂(1’)を得た。活性エステル樹脂(1’)の官能基当量は223g/当量、JIS K7234に基づいて測定した軟化点は150℃であった。
温度計、滴下ロート、冷却管、分留管、撹拌器を取り付けたフラスコにフェノールノボラック樹脂(DIC社製「フェノライトTD-2131」、軟化点80℃、水酸基当量104)104gとメチルイソブチルケトン(以下、「MIBK」と略記する。]612gを仕込み、系内を減圧窒素置換し溶解させた。次いで、イソフタル酸クロライド10.1g(0.05モル)を仕込みその後、窒素ガスパージを施しながら、系内を60℃以下に制御して、20%水酸化ナトリウム水溶液21.0gを1時間かけて滴下した。次いでこの条件下で1.0時間撹拌を続けた。次いで、塩化ベンゾイル133.5g(0.90モル)を仕込みその後、窒素ガスパージを実施しながら、系内を60℃以下に制御して、20%水酸化ナトリウム水溶液189.0gを4時間かけて滴下した。次いでこの条件下で1.0時間撹拌を続けた。反応終了後、静置分液し、水層を取り除いた。更に反応物が溶解しているMIBK相に水を投入して約15分間撹拌混合し、静置分液して水層を取り除いた。水層のPHが7になるまでこの操作を繰り返した。その後、デカンタ脱水で水分を除去し、続いて減圧脱水でMIBKを除去し、活性エステル樹脂(2’)を得た。この活性エステル樹脂(2’)の官能基当量は仕込み比より204g/当量、軟化点は92℃であった。
下記表1に示す割合で各成分を配合し、硬化性樹脂組成物を得た。得られた硬化性樹脂組成物について、下記要領で硬化収縮率と、硬化物における誘電正接値を測定した。結果を表1に示す。
トランスファー成形機(コータキ精機株式会社製「KTS-15-1.5C」)を用いて、金型温度154℃、成形圧力9.8MPa、硬化時間600秒の条件下で、硬化性樹脂組成物を注入成形して、縦110mm、横12.7mm、厚さ1.6mmの成形物を得た。次いで、得られた成形物を175℃で5時間硬化させた後、室温(25℃)で24時間以上放置し、これを試験片とした。試験片の室温での縦方向寸法、金型の154℃での縦方向内寸法をそれぞれ測定し、下記式にて硬化収縮率を算出した。
硬化収縮率(%)={(金型の154℃での縦方向内寸法)-(試験片の室温での縦方向寸法)}/(金型の154℃での縦方向内寸法)×100(%)
硬化収縮率の測定と同様にして試験片を作成した。加熱真空乾燥後、23℃、湿度50%の室内に24時間保管した試験片について、アジレント・テクノロジー株式会社製ネットワークアナライザ「E8362C」を用い、空洞共振法にて、1GHzでの誘電正接を測定した。
Claims (8)
- フェノール性水酸基含有化合物(A)、ナフトール化合物(b)が芳香環又はシクロ環を含有する構造部位(α)で結節された分子構造を有するポリナフトール樹脂(B)、及び芳香族ポリカルボン酸又はその酸ハロゲン化物(C)を必須の反応原料とすることを特徴とする活性エステル樹脂。
- 前記ポリナフトール樹脂(B)が、
下記構造式(1)
[式中Xは芳香環又はシクロ環を含有する構造部位(α)である。R1はそれぞれ独立して脂肪族炭化水素基、アルコキシ基、ハロゲン原子、アリール基、アラルキル基、又は下記構造式(2)
(式中Xは芳香核又はシクロ環を含有する構造部位(α)である。R1はそれぞれ独立して脂肪族炭化水素基、アルコキシ基、ハロゲン原子、アリール基、アラルキル基、又は構造式(2)で表される構造部位(β)の何れかであり、ナフタレン環を形成するどの炭素原子に結合していても良い。mは0又は1~4の整数であり、nは1~10の整数である。)
で表される構造部位(β)の何れかであり、ナフタレン環を形成するどの炭素原子に結合していても良い。mは0又は1~4の整数であり、nは1~10の整数である。]
で表される分子構造を有するものである請求項1記載の活性エステル樹脂。 - 請求項1~4の何れか一つに記載の活性エステル樹脂と、硬化剤とを含有する硬化性樹脂組成物。
- 請求項5記載の硬化性樹脂組成物の硬化物。
- 請求項5記載の硬化性組成物を用いてなるプリント配線基板。
- 請求項5記載の硬化性組成物を用いてなる半導体封止材料。
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| US16/313,269 US10741464B2 (en) | 2016-07-06 | 2017-06-22 | Active ester resin and cured product thereof |
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| JP2020094089A (ja) * | 2018-12-10 | 2020-06-18 | 積水化学工業株式会社 | 樹脂材料及び多層プリント配線板 |
| KR20220013562A (ko) | 2019-08-27 | 2022-02-04 | 디아이씨 가부시끼가이샤 | 페놀 수지, 경화성 수지 조성물 및 그 경화물 |
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| TW201840636A (zh) * | 2017-03-24 | 2018-11-16 | 日商迪愛生股份有限公司 | 聚酯樹脂及其硬化物 |
| KR102767376B1 (ko) * | 2020-02-17 | 2025-02-17 | 닛테츠 케미컬 앤드 머티리얼 가부시키가이샤 | 활성 에스테르 수지, 에폭시 수지 조성물, 그 경화물, 프리프레그, 적층판, 및 빌드업 필름 |
| CN111393594B (zh) * | 2020-04-30 | 2022-11-22 | 苏州生益科技有限公司 | 一种活性酯树脂及其树脂组合物 |
| CN119505200B (zh) * | 2024-09-13 | 2025-11-28 | 安徽觅拓材料科技有限公司 | 共聚物、树脂组合物及树脂组合物的应用 |
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| WO2013118680A1 (ja) * | 2012-02-07 | 2013-08-15 | 日立化成株式会社 | 感光性樹脂組成物、パターン硬化膜の製造方法及び電子部品 |
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| KR20220013562A (ko) | 2019-08-27 | 2022-02-04 | 디아이씨 가부시끼가이샤 | 페놀 수지, 경화성 수지 조성물 및 그 경화물 |
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| JPWO2018008410A1 (ja) | 2018-07-05 |
| KR20190026689A (ko) | 2019-03-13 |
| KR102343074B1 (ko) | 2021-12-27 |
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| US10741464B2 (en) | 2020-08-11 |
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